Thanks Wayne! You should see one of the other sanding blocks, it's a 1 quart paint can that has a piece of 80 grit sticky paper made for DAs stuck to it. The can is the same curve as the steering column notch! LOL
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Now its time to set up the wiper and headlight switch area. The lights switch provided with an American Autowire update kit is the same mounting and wiring setup but has a cool chrome switch shaft and billet aluminum knob. Because it uses the same mounting and the same wiring connector as a stock original I'm using an old light switch in the mock up pictures and will install the new switch in the newly reconditioned dash from Restore a Musclecar when the dash and panel are installed in the car.
If you are using a stock wiper switch cut the light switch and wiper openings out of the posterboard, check to be sure everything lines up in the actual dash, then transfer to the plastic sheet with the grease pencil. Then cut and finish the openings.
The aftermarket delay wiper switch is more of a challenge. The kit is made for Camaros of the same vintage and the mounting bracket provided will not work in a Firebird dash. A new bracket has to be made. The original wiper switch face was recessed into the dash. Because the front of the new carbon fiber facia will be out farther from the dash the bracket has to bring the new switch out far enough so the base of the switch shaft will end up flush with the backside of the carbon facia. A trim ring screws on the switch shaft after the panel is installed in the dash to cover the hole around the switch shaft. The dash framework under the wiper switch has to be clearanced to fit the bigger switch into the area where the old sliding switch was. Use a hand held hacksaw blade holder to cut the dash plastic then break off the pieces with pliers. If you try to move the wiper switch higher you will not have enough space for the light switch wiring harness which plugs into the bottom of the light switch. The camaro bracket is on the left and our new fabricated bracket on the right.